Stuck on reboot and shutdown

Question

I've recently installed Ubuntu 12.04 and I love it. However I have one problem- I am unable to shutdown or reboot properly.

When I shutdown my laptop (Acer Aspire 5560) it hangs on the 5 dots and stays there.

When I reboot my laptop it does shutdown but when it boots back up it stay's on the Purple screen (no logo what so ever)

Thing's I've I'd to stop this:

• sudo service network-manager stop before shutdown - nothing

• Adding some lines the the GRUB file - nothing

• installed other Ubuntu versions - nothing
• sudo shutdown -h now - nothing

and some more.

At the moment I see a black screen in front of me with the text

 Asking all remaining processes to terminate [OK]

And the 5 dots with only the last one orange.

On other tries I got this thing:

modem-manager:could not get the system bus......

I first had Ubuntu dual boot Windows. And then it worked fine. However after a fresh install of Ubuntu alone I got this.

Answer 1

I had a similar problem with a Dell XPS 15z which I resolved by adding acpi=noirq to the kernel arguments:

sudo editor /etc/default/grub

set

GRUB_CMDLINE_LINUX_DEFAULT="acpi=noirq quiet splash"

then

sudo update-grub

Note that previously I had been using acpi=off, which permitted me to boot, but not shutdown. Without any acpi flag, I was not able to boot.

Answer 2

You may try to these commands into terminal

For shutdown:

sudo halt

For shutdown:

sudo init 0

For restart:

sudo init 6

For shutdown:

sudo shutdown -h now

For hibernate:

sudo /etc/acpi/hibernate.sh

Answer 3

I got a hack from this link -- http://www.pbehnke.com/main/node/11, for some reason if the usb controls are set to auto, the shutdown-reboot loop starts. The solution was to make them on forcefully.

I have added a function in the /etc/init.d/halt script like this --

# Add this function in the /etc/init.d/halt script
# call before do_stop
set_usbs_on () {
    usbcontrolpath="/sys/bus/usb/devices/*/power/control"
    for dev in $usbcontrolpath;
    do
        echo "Setting $dev: " `cat $dev` "to on"
        echo on > $dev
        echo ""
    done
}

and I call it before do_stop in case $1 stop switch --

stop)
    set_usbs_on
    do_stop
    ;;

Now the machine shuts down.

Answer 4

The only thing that I needed to do was to press Ctrl+Alt+T to open the terminal. When it opens, run the command below

sudo update-grub

and now it's working fine.

Answer 5

Same issue with spurious hangs "on the 5 dots". I've read somewhere (cannot remember where) to first "Log Out" (top right corner menu) and then shutdown. I've been doing this for more than one month now with no more issue.

Answer 6

I'm no expert but i loaded BARTpe to get to a command promt and reinstalled bios it booted straight to the hard drive guess it couldnt see it just try to load default in your bios might not have to update

Answer 7

I realize this is a super old post, but I found the REAL answer for this model. It's not Ubuntu, it's the Aspire.

From the ubuntu bug registry: (link)

It seems that is BIOS/UEFI bug, so there is no solution to fix it on 5560g if planning use efi.

A user on TomsGuide confirms this is the case even when installing Windows:

The problem is, that the ACER Aspire 5560G model somehow (don't ask how {maybe BIOS related?}) can't shut down properly (freeze) when the OS is installed in a GPT partition style.

Again from the bugs page a workaround: (link)

WORKAROUND: using gdisk convert gpt to mbr, setup boot-repair, restore mbr and then restore grub

Lot's of work to fix such a small thing. Some users have suggested that a BIOS update my help.

DISCLAIMER: I cannot confirm any of this outside that the error occurs, and that windows does indeed experience the same issues when installed with gpt. If I do decide to follow the workaround (very risky) or update the BIOS (even more risky) and get some further results I'll update.